From the trade magazines, selecting crystals, understanding measurement uncertainty, Maxwell’s equations

Another selection of articles from the electronics engineering trade magazines……Dan

Selecting Crystals For Stable Oscillators
Understanding how quartz-crystal resonators operate can lead to designing crystal oscillators with improved stability and better noise performance.

Tutorial on Maxwell’s Equations
There’s a lot of math here, but cracking Maxwell’s equations will give you a lot of insight on how radio works. Registration required.

Understand Uncertainty For Better Test Accuracy
How sure are you of that measurement you just made with your multimeter or wattmeter? This article might open your eyes as to the accuracy of your measurements.



  1. Elwood Downey, WB0OEW says:

    My favorite intro to Maxwell’s equations is here:
    There’s almost no math at all, the emphasis is on the physical meaning of each equation. But it also touches on the sheer wonder of discovery.

    • Great site. Thanks, Elwood!

      I used to have a t-shirt with a version of Maxwell’s equations on it. I just Googled “maxwell’s equations t-shirt” and found a bunch of references. I’m going to have to buy a new one. :)

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